CN103906442B - Smoking product with liquid transferable material - Google Patents

Abstract

A kind of smoking product (10) is mixed with the liquid transferable material (20) of sustained release, and the liquid transferable material includes defining the closed matrix structure in multiple regions.Fluid composition is trapped in the region and when compressing the material, releasable from the closed matrix structure.In the range of at least strength of 5 newton, liquid transferable material (20) provides the sustained release of fluid composition.Preferably, the liquid transferable material is provided in the filter tip (14) of smoking product (10).

Description

Smoking product with liquid transferable material

The present invention relates to a kind of liquid transferable material, it provides the sustained release of liquid when compressing the material, and is related to Mix the smoking product of this liquid transferable material.

It is known in order to offset expense person extra fragrance to be provided during smoking and odor additive is incorporated into smoking product In.Flavouring agent can be used, produced tobacco flavor during improving the heating of the tobacco-containing material in smoking product or burn, or Extra non-tobacco fragrance, such as peppermint or menthol are provided.

The odor additive used in smoking product, such as menthol usually from liquor aromas dosage form formula, wherein using Suitable liquid-carrier, the liquor aromas agent is incorporated into the filter tip of smoking product or cigarette.Liquor aromas agent usually has There is volatility, and therefore tend to migration or evaporation from smoking product during storage.Therefore reduction is in smoking process The content of flavouring agent obtained by main flume seasoning.

Past has proposed, by encapsulating flavouring agent, such as in the form of capsule or microcapsules, reduces smoking product in storage During volatile fragrant agent loss.Before or during smoking product smoking, by disintegrating encapsulating structure, for example, pass through powder It is broken or melt the structure, releasable encapsulated flavouring agent.In the case where crushing these capsules release flavouring agent, capsule is in spy Determine to disintegrate under power and discharge all flavouring agents because of the power.That is, flavouring agent discharges under certain force from capsule, but Before or after certain force, flavouring agent does not discharge.Therefore capsule and microcapsules can not possibly provide in the range of certain strength Sustained release.

It it is known that and add the liquid of other kinds of non-flavouring agent to adjust cigarette in some way during smoking Agent is incorporated into smoking product.For example, some liquid additives can be provided in the filter tip of smoking product, with during changing smoking The strainability of filter tip.

Expect to provide a kind of new material and mechanism for transmitting liquid additive in smog (aerosol) generating means. Especially, expect to provide this material and mechanism that fragrance is transmitted in smoking product, the smoking product is right during smoking The release of fragrance provides larger elastic and control.It is particularly desired in providing this material, it may be provided in fragrance during smoking More selectivity release.Further expect to provide during storing, the liquid additive of stability and improvement with improvement The liquid transferable material for smoking product of retention.

According to the present invention there is provided a kind of smoke generating device, it is mixed with the liquid transferable material of sustained release, the liquid Body transferable material includes defining the closed matrix structure in multiple regions.The fluid composition is trapped in the region, and in pressure Contract the material when, can be discharged from the closed matrix structure.The liquid transferable material is with the strength scope internal pressure of at least 5 newton Contract the material when provide fluid composition sustained release.

The present invention also provides a kind of smoking product, and it is mixed with the fragrance transferable material of sustained release, fragrance transmission material Material includes the closed matrix structure for defining multiple regions.Perfume compositions are trapped in the region, and when compressing the material, It can be discharged from the closed matrix structure.When the fragrance transferable material compresses the material in the range of with least strength of 5 newton The sustained release of perfume compositions is provided.

According to the present invention, it is further provided a kind of filter tip, it is mixed with the fragrance transferable material of sustained release, and the fragrance is passed Material is sent to include the closed matrix structure for defining multiple regions.Perfume compositions are trapped in the region, and are compressing the material During material, it can be discharged from the closed matrix structure.The fragrance transferable material compresses the material in the range of with least strength of 5 newton The sustained release of perfume compositions is provided during material.

In the following description, unless otherwise indicated, the otherwise liquid transferable material of any sustained release for the present invention Or the feature or performance of fragrance transferable material can be also suitably used for the filter tip of the present invention or the liquid transferable material or perfume (or spice) of smoking product Taste transferable material.

Term " smoke generating device " used herein be used for description during use from substrate produce smog and Smog is transferred to any consumer devices of consumer.In some preferred embodiments, smoke generating device is a class Smoking product.In other embodiments, smoke generating device is a class getter device.

The smoking product of the present invention for mixing the liquid transferable material of sustained release can be wherein burning tobacco material and shape Into the filter tipped cigarette of cigarette or other smoking product forms.It is heated but does not burn present invention additionally encompasses wherein tobacco-containing material, with The smoking product of smog is formed, and wherein without burning or is heated, and from tobacco-containing material, tobacco extracts or other nicotine Source produces the smoking product of the smog containing nicotine.The smoking product of the present invention can for complete, combination smoking product or The component of smoking apparatus, it is in order to provide other one or more of groups for producing the combination unit of smog and combining Part, such as smoking apparatus consumes part when heating.

Term as used herein " cigarette (smoke) " is used for description by flammable smoking product, and such as filter tipped cigarette is produced Raw cigarette, and the cigarette that the smoking product heated by non-flammable smoking product, such as heating of types described above or non-is produced Mist.

In the following description, by reference to mixing the smoking product of liquid transferable material, the description present invention, the liquid is passed Material is sent to provide the sustained release of fluid composition.However, the teaching be equally applicable on alternative smoke generating device for Sustained release fluid composition.

Term as used herein " liquid " refers to the composition for liquid under room temperature (22 DEG C).

Term " fluid composition " refers to, in order to provide influence to smog or cigarette produced during smoking, to be incorporated into Any liquid reagent in the component of smoke generating device.The fluid composition can for example reduce one or more of cigarettes The material of mist composition.Or, the fluid composition can be can be with other one or more of materials in smoke generating device React and produce the material of smog.In a preferred embodiment of the invention, fluid composition is liquor aromas composition, and is adjusted The whole liquid transferable material, and provide fragrance in a part for smoking product or smoking product.

In the following description, with reference to the fragrance transferable material for the sustained release for providing perfume compositions, the description present invention.So And, the teachings of the present invention is equally applicable to the sustained release material of alternative fluid composition.

Term " sustained release " is used to indicate fragrance transferable material can be in a range of application compression stress, certain model In the material deformation enclosed, or in both, releasable perfume compositions.If for example, being used as the function of the compression stress applied, measurement The release of perfume compositions, then will be seen that the material can discharge perfume compositions under the strength of x newton and work as strength from x newton Increase to (x+y) Newtonian time, continue to discharge perfume compositions (for example, wherein y is 5 newton).

Because they are value ranges, therefore, strength and deformation range described herein have certain width, and they prolong Extend between range endpoints.For example, more than use wherein y is the general rule of 5 newton, then the breadth of the strength scope is 5 newton, and It extends to (x+5) newton from x newton.

Further fragrance combinations can be discharged from fragrance transferable material because increase compression stress exceedes the strength scope Thing, therefore, term " sustained release " are also described as " progressively discharging ".The fragrance of this and the smoking product of prior art discharges Mechanism is on the contrary, wherein fragrance can discharge under specific strength, but not discharged before or after specific strength is reached.

It will be appreciated by those skilled in the art that perfume compositions of term " sustained release " covering wherein under specific strength are released High-volume it is additionally dependent on the duration for applying strength.For example, in some embodiments, briefly applying specific strength twice can Release applies the specific same amount of perfume compositions of strength with single extension.In these embodiments, by being transmitted to fragrance Material repeatedly applies same or like strength, and the fragrance combinations of many " dosage " are provided using the sustained releasing property of material Thing.In addition, also can repeatedly apply the strength become larger, it can increase the fragrance of many " dosage " that are discharged in some cases Amount.The example of these different types of sustained releases presented below.

As described below, when fragrance transferable material is placed in smoking product, the smoking product to mixing the material is passed through A part apply compression stress and to material apply compression stress.However, unless otherwise stated, in the following description, material Property and parameter with relative to material in itself rather than smoking product define.For example, mention application compression stress and deformation be related to When the material is outside smoking product, the direct compression or deformation of the material.In most cases, can by by material from suction Cut or remove in tobacco product and direct test material, so as to test the material.

In the range of compression stress or deformation, the perfume compositions amount discharged from material depend on apply compression stress or Deformation.Substantially continuous relation may be present between compression stress or deformation and the burst size of perfume compositions.In this situation, Increased continuously in the compression stress applied with material or deformation increase, the perfume compositions quality entity discharged.Or, it is fragrant Taste composition can be discharged under the specific strength in compression stress or the confining spectrum of deformation with discontinuous quantity, such as using under some The base material stated.In this situation, the fragrance combinations object amount discharged is with compression stress or deformation increase with stage manner Increase.

The sustained release aroma delivery curve provided by the fragrance transferable material in the smoking product of the present invention (profile) it is opposite with the aroma delivery curve of capsule.Typically manufacture capsule so that the shell of capsule defines pressure in specified It can be ruptured under contracting power.This specify strength under, shell compressed and the core of capsule contained by substantial all flavouring agents simultaneously It is released.However, apply strength specifies strength less than this, then substantially fragrance is not discharged.

On the present invention, when by perfume compositions under the environment outside fragrance transferable material, perfume compositions It is considered as out of fragrance transferable material " release ".If perfume compositions escaped into outside transferable material surrounding space or In material in person's smoking product, then it is considered as " discharging ".In addition, if perfume compositions are still in fragrance transferable material, But it is to provide the open access that the flavouring agent of one or more bars is evaporated into surrounding environment, then is considered as " discharging ".For example, Perfume compositions in open hole shape structure, such as sponge are considered as " discharging ".

The smoking product of the present invention is mixed with the new fragrance transferable material of a class, and the fragrance transferable material is with certain force During compression stress compression material in the range of amount, sustained release perfume compositions.Perfume compositions are substantially retained at fragrance biography Send in the structure of material, and when for example by compressing or oppressing material, be released.Fragrance transferable material therefore advantageously can be such as It is required and fragrance is provided, and serve as in smoking product a class fragrance " pump ".

As described above, fragrance transferable material provides the transmission curve of sustained release so that can be applied by adjusting consumer Plus compression stress, for example, at least the scope of 5 newton and control compression when perfume compositions burst size.This offer is releasable The larger elasticity of fragrance combinations object amount and therefore to smoking during the larger control of the flavor strength that is provided.

The sustained release profile of fragrance transferable material additionally means that perfume compositions can be discharged more than one from the material It is secondary.Apply at least scope of 5 newton compression stress a part of available perfume compositions can be only discharged from material, as a result its Remaining perfume compositions, which are remained in material, to be used to subsequently discharge.This feature of fragrance transferable material provides consumer couple In the high level control at the time point and flavor strength that fragrance is transmitted during smoking.Consumer may be selected during smoking only Only release perfume compositions are once, such as lucky before finally cigarette is told.Or, consumer may be selected during smoking in difference Time release perfume compositions be more than or equal to twice.

Stable reservation of the perfume compositions in the structure of fragrance transferable material is then advantageously ensured that in incorporation until compression During the storage of the smoking product of fragrance transferable material, perfume compositions can be made from the loss reduction in the material.It is fragrant wherein Taste composition contains can be in the case of the volatile material evaporated during storing, and this is especially advantageous.

Improve perfume compositions retention as a result, necessarily adding extra flavouring agent in fragrance transferable material To compensate the loss of aroma during storage.In some cases, this less amount of flavor component to can be used but still to provide similar Fragrance transmission.

In addition, retention of the improvement perfume compositions in fragrance transferable material then ensures the perfume compositions before smoking The other assemblies of smoking product are not contacted.It is therefore highly desirable that the fragrance transferable material of the present invention is used to be mixed with filter tip In the smoking product of adsorbent, such as activated carbon, activated aluminum, zeolite, sepiolite, molecular sieve and silica gel.

The present invention further provides a kind of smoking product, it is mixed with the fragrance transferable material of sustained release, the fragrance Transferable material includes releasable perfume compositions during the deformation range compression material with least 25% percent deformation.Namely Say, deformation range has the breadth of at least 25% percent deformation.Material deformation typically increases and increased with compression stress.Material Percent deformation equivalent to apply compression stress when material according to apply compression stress direction size reduce.Fragrance transmits material Material can discharge perfume compositions in a range of deformation.

As described in above with respect to the sustained release perfume compositions in a range of strength, the burst size of perfume compositions It can increase in the range of being defined with the deformation of material and substantially increase continuously.Or, the burst size of perfume compositions exists It can be increased in the deformation range defined with stage manner.

Fragrance transferable material in the smoking product of the present invention has characteristic aromas release profiles.Fragrance transferable material " fragrance release profiles " refer to discharge perfume compositions from fragrance transferable material as the letter for applying compression stress or material deformation The mode for counting and changing.

Preferably, with least about 8 newton, the strength model of more preferably at least about 10 newton, most preferably at least about 20 newton During confined pressure compression material, fragrance transferable material provides the perfume compositions of sustained release.

Preferably, in the strength Ratage Coutpressioit material with the newton of about 10 newton-about 15, fragrance transferable material, which is provided, to be continued The perfume compositions of release.That is, strength scope, which is preferably from about 10 newton, extends to about 15 newton.

Especially preferably, in the range of bigger strength, for example, in the range of the strength of about 5 newton to about 50 newton, it is fragrant Taste transferable material provides the perfume compositions of sustained release.This also can be described as the scope that about 50 newton are extended to from about 5 newton. It is further preferred that in the range of about 5 newton to about 25 newton, the strength of most preferably from about 5 newton to about 20 newton, fragrance transferable material The perfume compositions of sustained release are provided.

Preferably, when compressing fragrance transferable material with the strength of about 5 newton, the burst size of perfume compositions is equivalent to perfume (or spice) At least about 2wt% of the taste transferable material before any compression, and preferably at least about 4wt%.Preferably, when with about 10 newton The strength of (at most amounting to 15 newton) further compress the additional quantities of the perfume compositions discharged during fragrance transferable material equivalent to At least 10wt% of the fragrance transferable material before any compression.

Preferably, the fragrance combinations object amount discharged when compressing fragrance transferable material with the strength of about 10 newton is relative to perfume (or spice) At least about 15wt% of the taste transferable material before any compression, and more preferably at least about 20wt%.Preferably, when with about 15 The strength of newton (at most amounting to 25 newton) further compresses the additional quantity phase of the perfume compositions discharged during fragrance transferable material As at least 10wt% in fragrance transferable material before any compression.

Preferably, in the deformation range compression material with least about 25%, more preferably at least about 30%, fragrance transmission material Material provides the perfume compositions of sustained release.Preferably, about 40% deformation range is being deformed into about 10%, more preferably about 10% when being deformed into compression material in about 50% deformation range, and fragrance transferable material provides the perfume compositions of sustained release.

Preferably, the fragrance combinations object amount discharged when fragrance transferable material is deformed into about 10% transmits material equivalent to fragrance Expect at least about 2wt% before any compression, and more preferably at least about 4wt%.Preferably, it is further in fragrance transferable material Be deformed into the additional quantity of the perfume compositions discharged when about 40% equivalent to fragrance transferable material before any compression at least 10wt%.

Preferably, the fragrance combinations object amount discharged when fragrance transferable material is deformed into about 25% transmits material equivalent to fragrance Expect at least about 5wt% and more preferably at least about 8wt% before any compression.Preferably, it is further in fragrance transferable material Be deformed into the additional quantity of the perfume compositions discharged when about 40% equivalent to fragrance transferable material before any compression at least 10wt%.

It is assumed that major part (if not all) weight loss occurred when fragrance transferable material is compressed or deforms is fragrance The result that composition discharges from the material.Therefore, can be by measurement before the compression and afterwards, the weight of fragrance transferable material Difference, and the reduction percentage of fragrance transferable material gross weight is calculated, so as to determine the fragrance combinations object amount discharged from material.Such as It is upper to be defined, with reference to the starting weight of the fragrance transferable material before any compression, calculated weight loss.It is described below The suitable of the perfume compositions that evaluation discharges when applying compression stress or deformation from fragrance transferable material is listed in embodiment Method.

In certain embodiments, the fragrance transferable material in smoking product of the invention can be with the case where not applying compression stress Time passs without actively discharging low-level perfume compositions.For example, during fragrance transferable material is produced, a small amount of fragrance Composition can not be effectively trapped inside fragrance transferable material, and therefore can be retained on the surface of the material.This is small Therefore the remaining fragrance composition of amount can be available for contacting with cigarette.In such a way, can be during smoking, even if not compressing Fragrance transferable material still can provide the fragrance of low fundamental quantity to discharge perfume compositions.Tieed up when compressing fragrance transferable material Identical fragrance is held, but intensity increases.

Besides or furthermore, the smoking product of the present invention can be provided with extra aroma source, its discharges low water inactively Flat flavouring agent is and unrelated with fragrance transferable material into cigarette.Extra aroma source is releasably identical with fragrance transferable material Fragrance, or different fragrance.Suitable extra aroma source include the perfumed filament for example impregnated with liquor aromas agent or Filament fragrant bead.

Cigarette can obtain these embodiments offer " fragrance to fragrance of flavouring agent wherein before compression fragrance transferable material (flavour to flavour) " curve.In these smoking products, fragrance can be changed when compressing fragrance transferable material Intensity or feature or both.

In alternate embodiment, smoking product of the invention can provide the curve of " non-fragrance to fragrance ".This meaning Before compression fragrance transferable material discharges perfume compositions, extra fragrance is not substantially sent to main flume In.Therefore extra flavouring agent is not incorporated into in the filter tip of smoking product.

Perfume compositions are retained in the structure of the material by the fragrance transferable material in the smoking product of the present invention, until Apply compression stress to the material.In order to realize the reservation of this perfume compositions, fragrance transferable material include closed matrix or Network structure, it captures perfume compositions in the structure of closing.That is, perfume compositions are trapped in matrix structure In interior region.In compression material, perfume compositions are for example because surrounding structure is disintegrated and is forced out from matrix structure.

In a preferred embodiment of the invention, fragrance transferable material includes polymer substrate, the polymer substrate bag Include one or more of matrix-formation polymer.In particularly preferred embodiments, polymer substrate formation group containing fragrance Multiple regions of compound.

In these embodiments, fragrance transferable material includes the three-dimensional structure matrix of polymeric material, the three-dimensional knot The network in multiple regions is defined in the formation of structure matrix.Refer to accommodate perfume compositions using term " region " in this specification Blind bore or bag, either distinct regions or for some manufacturing process of host material, in polymer substrate The drop of the perfume compositions of precursor material inner dispersion, as described further below.Perfume compositions pass through polymer Matrix is dispersed in is surrounded and in multiple discrete regions of closing by polymer substrate.

Polymer substrate in fragrance transferable material separates perfume compositions, and as a result fragrance is substantially retained in polymer In the structure of matrix, until fragrance transferable material is compressed.Compression fragrance transferable material causes polymer substrate to deform.With application Strength, deformation, or strength with deform the two degree increase, matrix is gradually disintegrated and the region start rupture, as a result release Put the perfume compositions being retained in the region.

Polymer substrate increases and gradually disintegrated the biography for the sustained release fragrance for then providing fragrance transferable material with compression stress Send curve.For example, in the range of at least 5 newton strength, the region inside fragrance transferable material is continued with compression stress increase Lasting rupture, as a result discharges perfume compositions within the range.Under specific applying power degree, most of region is broken Split, and the compression stress of increase about this degree no longer discharges further perfume compositions.

According to definition listed above, make region ring to around in the structure clash containing the region of perfume compositions When border is opened, perfume compositions are considered as " discharging ".As described above, compression of the perfume compositions of some " being released " because of application Power can be escaped from fragrance transferable material immediately.In addition, the perfume compositions of some " being released " can initially be retained in the region Space in, but gradually migrate out the region through any opening in the regional structure.

Typically, when fragrance transferable material is placed in smoking product, consumer's compression material is only being initially caused A part of regional breakdown.Therefore remaining region remains as closing, and by perfume compositions capture internally, until further application Therefore compression stress, the regional structure is particularly suitable for providing the fragrance transferable material that fragrance is repeatedly discharged during smoking.

In especially preferred embodiment, the polymer substrate in fragrance transferable material is included except one or more Beyond matrix formation polymer, in addition to plasticizer.

Term " plasticizer " refers to the material or material of its flexibility of increase mixed in matrix formation material or operability Material.Many plasticizer tend to reduce the molecular separating force between polymer chain, so that cause increased flexible and compressibility, or They can apply plasticizing effect to person, because they cause discontinuity in the polymer matrix.The example of plasticizer species is sugar Class (monose, disaccharides or oligosaccharide), alcohols, polyalcohols, acid salt, lipid and derivative (such as fatty acid, it is single sweet Grease class, esters, phospholipid) and surfactant.The given instance of suitable plasticizer includes, but not limited to glucose, fruit Sugar, honey, sorbierite, polyethylene glycol, glycerine, propane diols, lactitol, lactose sodium is hydrated hydrolysis starch, trehalose, or its group Close.Being suitable for other plasticizer of the present invention can be verified by those skilled in the art based on the example provided.

In fragrance transferable material in the smoking product of the present invention, plasticizer can be incorporated into polymer substrate, with Just matrix is softened so that the material is more compressible.This enables fragrance transferable material more effectively to provide above-described hold The fragrance transmission curve of continuous release.Especially, plasticizer, which can increase, can provide the strength scope of lasting transmission perfume compositions, or Person's reduction starts to discharge the strength needed for perfume compositions.

Preferably, plasticizer forms polymer with least 5wt% equivalent to matrix formation polymer, more preferably matrix At least 10wt% consumption is incorporated into polymer substrate.In polymer substrate, plasticizer forms the ratio between polymer with matrix Preferably at least 1:20 and more preferably at least 1:10.In addition, or in the alternative, the ratio is preferably less than about 1:2.

Polymer substrate may include at least about 0.1wt% plasticizer, total group based on matrix formation polymer and plasticizer Close weight.Besides or furthermore, polymer substrate may include be less than about 25wt%, preferably less than about 20wt% and most preferably less than about 18wt% plasticizer, the gross combination weight based on matrix formation polymer and plasticizer.Preferably, polymer substrate is included about 0.1% to about 25wt%, more preferably from about 0.1% to about 20wt% and most preferably from about 0.1% to about 18wt% plasticizer, based on base The gross weight of matter formation polymer and plasticizer.

Polymer substrate may include at least about 75wt%, more preferably at least about 80wt% and most preferably at least about 82wt%'s Matrix formation polymer, the gross combination weight based on matrix formation polymer and plasticizer.Besides or furthermore, polymer substrate can Including the matrix formation polymer less than about 99.9wt%, the gross combination weight based on matrix formation polymer and plasticizer.It is excellent Selection of land, polymer substrate may include about 75% to about 99.9wt%, more preferably from about 80% to about 99.9wt% and most preferably from about 82% to about 99.9wt% matrix formation polymer, the gross combination weight based on matrix formation polymer and plasticizer.

Polymer substrate is preferably the polymer substrate of crosslinking.The crosslinking for forming one or more of polymer of matrix is carried For structural strength and stability, this is poly- by improve that the material during manufacturing or processing the smoking product for mixing the material can undergo The heat and the resistance of shearing force of polymer matrix.The matrix structure is also provided effectively captures fragrance combinations with fragrance transferable material Thing.Preferably, the polymer substrate water resistant or moisture-resistant of crosslinking.Can by single type crosslinkable polymer or crosslinkable polymeric The conjugate formation polymer substrate of thing.

Preferably, polymer substrate includes one or more of polysaccharide.Polysaccharide is particularly suitable for using in the present invention, because Be they by crosslinking, water can be become insoluble and thermally-stabilised and tasteless.Preferably, polymer substrate includes two or more The conjugate of polysaccharide, two of which or more is planted polysaccharide and can be cross-linked to each other.In some embodiments, polymer substrate includes algae Hydrochlorate and pectin, wherein alginates and pectin are cross-linked to each other.In some embodiments, polymer substrate is included at least about 20wt% pectin.Further, polymer substrate can have at least about 60wt% alginates.Preferably, polymer substrate has About 20wt% is to about 40wt% pectin, and about 60wt% is to about 80wt% alginates.Preferably, the ratio between alginates and pectin are about 2:1, or be about 1.8:1 to about 2.2:1.

It is preferred that by making polymer be reacted with polyvalent cation, the polyvalent cation formation salt bridge cross-linked polymer, from And realize the crosslinking of polymer substrate.Polyvalent cation is preferably with the solution of multivalent metal salt, such as metal chloride solutions shape Formula is provided.It is preferred that polyvalent cation include calcium, iron, aluminium, manganese, copper, zinc or lanthanum.Especially preferred salt is calcium chloride.

Perfume compositions in the fragrance transferable material being incorporated into the smoking product of the present invention preferably include with it is a kind of or The flavouring agent of more kinds of fat mixing.Particularly preferably one or more of fat are liquid under room temperature (22 DEG C), or fusing point Less than 22 DEG C.For the purposes of the present invention, using differential scanning calorimetry (DSC), " fusing point " of fat is measured.

One or more of liquid aliphatics serve as the carrier of flavouring agent, and can be described as " excipient ".Flavouring agent is blended with assigning Shape agent, forms perfume compositions.In certain embodiments, excipient is dispersed or dissolved in excipient.

The use of the excipient for flavouring agent at room temperature for liquid is especially advantageous, because perfume compositions are in pressure It can be discharged during contracting more easily from fragrance transferable material.In addition, after perfume compositions are discharged from material, using liquid Excipient, flavouring agent will can more be obtained typically in surrounding environment.Because volatile perfume compound is than solid Body carrier more easily discharges from liquid-carrier.

In addition, after perfume compositions discharge from fragrance transferable material, perfume (or spice) is advantageously improved using liquid excipient Taste composition disperses in filter tip material.For example, filter tip is by the case that fiber filter material is formed wherein, perfume compositions More easily it will be disperseed by fiber, as a result the large surface area of filter tip material is covered by perfume compositions.This exists in turn Via the exposure level improved during filter tip smoking between cigarette and perfume compositions so that the fragrance-intensified transfer into cigarette.It is preferred that One or more of liquid aliphatics in ground, perfume compositions have neutral aroma and flavor.Therefore fat pair mix with fatty Flavouring agent provide fragrance there is minimum influence.

Preferably, the liquid aliphatic in perfume compositions includes at least about 30wt%, preferably at least about 50wt%, more preferably At least about 75wt%, and most preferably from about 100wt% have the triglycerides of one or more of carboxylic acids of chain a length of 6 to 12.Or Person, liquid aliphatic includes at least about 30wt%, more preferably at least about preferably at least about 50wt%, 75wt%, most preferably from about 100wt% monoglyceride, the triglycerides all with 6 to 12 carboxylic acid chain lengths.

Liquid aliphatic particularly preferably in perfume compositions includes at least about 30wt%, preferably at least about 50wt%, more Preferably at least about 75wt%, and most preferably from about 100wt% have the glycerine three of one or more of carboxylic acids of chain a length of 8 to 10 Ester.Or, liquid aliphatic includes at least about 30wt%, more preferably at least about preferably at least about 50wt%, 75wt%, and most preferably Triglycerides of the about 100wt% all with 8 to 10 carboxylic acid chain lengths.

Triglycerides is the ester derived from glycerine and three aliphatic acid, or carboxylic acid.Carboxylic acid chain in triglycerides " chain length " refers to the carbon number in carboxylic acid main chain.For example, having 12 by glycerine and in the main chain of the aliphatic tail of aliphatic acid The carboxylic acid chain length of the aliphatic acid formation 12 of individual carbon atom.Triglycerides allusion quotation based on 6 to 12 one or more carboxylic acid chain lengths It is referred to as medium chain triglyceride (MCTs) type.

Medium chain triglyceride is particularly suitable for using in the fragrance transferable material in the smoking product of the present invention, because it Be stable liquid form under room temperature (22 DEG C).In addition, MCTs provides neutral aroma and flavor, this will be to smoking process In the fragrance that is provided by perfume compositions there is the influence ignored.In addition, under 6 to 12 chain length, being advantageously discovered that fat Fat component minimum is transferred in cigarette.

In particularly preferred embodiment of the present invention, perfume compositions include the flavouring agent mixed with miglyol 812, for example Sad base from the fractionated coconut oil/ester of capric acid base glycerol three.One example of suitable miglyol 812 is commercially available810。

One or more of triglycerides can be provided as single composition, or can in containing one or more chain One or more of triglycerides are provided in the material of triglycerides combination other components.

The carboxylic acid chain of medium chain triglyceride in perfume compositions can be saturation, as a result between the carbon atom in chain All keys be singly-bound, or at least partly unsaturated, as a result chain is included at least one between two carbon atoms in chain Double or triple bonds.Preferably, compared with unsaturated chain, there are more saturated chains in triglyceride compound.In certain situation Under, the ratio between saturation and unsaturated chain are at least about 1.6, more preferably at least about 1.8 and most preferably at least 2.0.Saturated chain it is relative It is relatively large to may be such that product is more stablized with time passage, so as in some cases, increase the potential shelf life of product.

Perfume compositions may include the conjugate of two or more triglycerides with different chain length each other.For example, Perfume compositions may include including medium chain triglyceride, optionally combine other short chain triglycerides (for example, all chains It is long be respectively less than 6 triglycerides) or long chain triglycerides (for example, all chain lengths are all higher than 12 triglycerides) mixture Oily or fat.Oily or fatty containing triglycerides can be vegetables source, animal origin or artificial.

Flavouring agent in perfume compositions includes one or more of perfume compounds, for transmitting material in heats scent Fragrance needed for being provided during material.The suitable flavouring agent used in the fragrance transferable material of the present invention is those skilled in the art It is known, it is preferable that flavouring agent is dissolved in excipient at room temperature so that perfume compositions are liquid.The flavouring agent can be wrapped Include one or more of natural flavours, one or more synthesis flavouring agent, or the naturally conjugate with synthesis flavouring agent.

Various fragrance can be used in the fragrance transferable material in the smoking product of the present invention.In some embodiments, Flavouring agent is efficient flavouring agent, and typically is causing to use with the degree less than 200 parts/million parts in cigarette.This fragrance The example of agent is main tobacco aroma compound, such as beta -damascenone, and 2- ethyl -3,5- dimethyl pyrazines, phenylacetaldehyde is adjacent Metoxyphenol and furanone.

Wherein flavouring agent be only made up of one or more of efficiently flavouring agents and expect as described above, flavouring agent with compared with , can be by above-mentioned any efficient flavouring agent with least about 1 part/million parts in embodiment of the low-level delivery into cigarette Level is added in perfume compositions.Besides or furthermore, by efficient flavouring agent with less than about 375 parts/million parts, preferably less than about 325 parts/million parts, more preferably less than about 325 parts/million parts of level is added in perfume compositions.Preferably, will be efficiently fragrant Taste agent is with about 1 part/million parts to about 375 parts/million parts, more preferably from about 1 part/million parts to about 325 parts/million parts and most preferably About 1 part/million parts to about 275 parts/million parts of level is added in perfume compositions.

In these embodiments that wherein flavouring agent is only made up of one or more of efficient flavouring agents, fragrance combinations The remainder of thing containing one or more of liquid aliphatic excipient preferably by constituting.

Other scent compositions are only in higher concentrations by human perception.These flavouring agents, are referred to herein as poorly efficient Flavouring agent, the degree that they are typically released into cigarette with the fragrance dosage for causing higher amount level is used.It is suitable poorly efficient Flavouring agent includes, but not limited to natural or synthetic menthol, peppermint, spearmint, coffee, tea, spices (such as Chinese cassia tree, cloves and life Ginger), harsh, vanilla, fruit aroma, chocolate, eucalyptus, fish pelargonium, eugenol, American aloe, needle juniper, anethole, and linalool.

Optionally, above-mentioned one or more of efficiently flavouring agent can be with one kind of consumption for example described above or more A variety of poorly efficient flavouring agents are used in combination.

Preferably, flavouring agent includes essential oil, or one or more of essential oil mixture." essential oil " is that have from plant The characteristic odor of thing and the oil of fragrance.Be adapted to be included in the present invention the intragranular essential oil of flavouring agent include, but not limited to it is thin Lotus oil and oleum menthae viridis.

In a preferred embodiment of the invention, flavouring agent includes menthol, eugenol, or menthol and eugenol Conjugate.These flavor types are typically used to provide pure and fresh fragrance to the cigarette of smoking product.In the particularly preferred of the present invention Embodiment in, perfume compositions be included in miglyol 812 disperse menthol.

In the embodiment that wherein perfume compositions include one or more of poorly efficient flavouring agents, perfume compositions can be wrapped Include at least about 15wt%, preferably at least about 20wt% and most preferably at least about 25wt% poorly efficient flavouring agent.Besides or furthermore, fragrant Taste composition may include to be less than about 50wt%, more preferably less than about 40wt% and most preferably less than about 35wt% poorly efficient fragrance Agent.Preferably, perfume compositions include about 15% to about 50wt%, more preferably from about 20% to about 40wt% and most preferably from about 25% To about 35wt% poorly efficient flavouring agent.

In these embodiments containing one or more of poorly efficient flavouring agents, perfume compositions may include at least about 50wt%, most preferably at least about more preferably at least about 60wt% and 65wt% contain one or more of liquid aliphatic excipient. Besides or furthermore, perfume compositions may include be less than about 85wt%, more preferably less than about 80wt% and most preferably less than about 75wt% excipient.Preferably, perfume compositions include about 50% to about 85wt%, more preferably from about 60% to about 80wt% and Most preferably from about 65% to about 75wt% excipient.

When flavouring agent is poorly efficient flavouring agent, such as menthol, fragrance transferable material may include at least about 12wt%, preferably The poorly efficient flavouring agent that at least about 15wt% and more preferably at least about 20wt% any one described herein or more is planted.Or or In addition, fragrance transferable material may include to be less than about 40wt%, preferably less than about 35wt% and more preferably less than about 30wt% herein The poorly efficient flavouring agent that any one of description or more is planted.Preferably, fragrance transferable material includes about 12wt% to about 40wt% Poorly efficient flavouring agent, more preferably from about 15wt% is low to about 30wt% to the poorly efficient flavouring agents of about 35wt%, or most preferably from about 20wt% Imitate flavouring agent.In especially preferred embodiment, poorly efficient flavouring agent includes menthol.

In the case that flavouring agent is poorly efficient flavouring agent wherein, fragrance transferable material further preferably includes at least about 40wt%, The liquid aliphatic that preferably at least about 50wt% any one described herein or more is planted.Besides or furthermore, fragrance transmits material Material include be less than about 70wt%, preferably less than about 65wt% and more preferably less than about 60wt% it is described herein any one or more A variety of liquid aliphatics.Preferably, fragrance transferable material includes about 40% to about 70wt%, more preferably from about 50% to about 65wt% Most preferably from about 50% liquid aliphatic planted to about 60wt% any one described herein or more.

In the case that flavouring agent is poorly efficient flavouring agent wherein, fragrance transferable material may include at least about 8wt%, and preferably At least about 10wt% matrix materials described herein.Besides or furthermore, fragrance transferable material may include to be less than about 20wt%, more preferably less than about preferably less than about 18wt% and 16wt% matrix material described herein.Preferably, it is fragrant Taste transferable material includes about 8% to about 20wt%, more preferably from about 10% to about 18wt% and most preferably from about 10% to about 16wt% The matrix material that any one described herein or more is planted.

In the case that flavouring agent is poorly efficient flavouring agent wherein, fragrance transferable material preferably includes at least about 0.1wt% increasings Mould agent.Besides or furthermore, fragrance transferable material may include be less than about 5wt%, preferably less than about 3wt% and more preferably less than about 2wt% plasticizer.Preferably, fragrance transferable material include about 0.1% to about 5wt%, more preferably from about 0.1% to about 3wt% and Most preferably from about 0.1% matrix material planted to about 2wt% any one described herein or more.

In the case that flavouring agent is efficient flavouring agent, such as those as described above wherein, fragrance transferable material can be wrapped Include more than 1 part/million parts flavouring agents.Besides or furthermore, fragrance transferable material may include to be less than 300 parts/million parts flavouring agents, it is excellent Choosing is less than about 260 parts/million parts and more preferably less than about 220 parts/million parts flavouring agents.Preferably, fragrance transferable material includes About 1 part/million parts to about 300 parts/million parts, more preferably from about 1 part/million parts to about 260 parts/million parts and most preferably from about 1 part/ Million parts to about 220 parts/million parts flavouring agents.

In the case that flavouring agent is efficient flavouring agent wherein, the remainder of fragrance transferable material, including except All materials beyond efficient flavouring agent may include at least about 50wt%, more preferably at least preferably at least about 60wt% and 75wt% Any one described herein or more plants liquid aliphatic.Besides or furthermore, the remainder of fragrance transferable material includes being less than About 80wt% any one described herein or more plants liquid aliphatic.It is further preferred that the remainder of fragrance transferable material includes About 50% to about 80wt%, more preferably from about 60% to about 80% and most preferably from about 75% to about 80wt% described herein any one Kind or more plants liquid aliphatic.

Further, in the case that flavouring agent is efficient flavouring agent wherein, the remainder of fragrance transferable material, wherein It may include at least about 8wt% including all materials in addition to efficient flavouring agent, more preferably at least 10wt% is described herein Any one or more plants matrix material.Besides or furthermore, the remainder of fragrance transferable material may include to be less than about 20wt%, more preferably less than about preferably less than about 18wt% and 16wt% any one described herein or more plants polymer matrix Material.Preferably, the remainder of fragrance transferable material includes about 8% to about 20wt%, and more preferably from about 10wt% is to about 18wt% and most preferably from about 10% plants matrix material to about 16wt% any one described herein or more.

In the case that flavouring agent is efficient flavouring agent wherein, fragrance transferable material preferably includes at least about 0.1wt% increasings Mould agent.Besides or furthermore, fragrance transferable material may include be less than about 5wt%, preferably less than about 3wt% and more preferably less than about 2wt% plasticizer.Preferably, fragrance transferable material include about 0.1% to about 5wt%, more preferably from about 0.1% to about 3wt% and Most preferably from about 0.1% plants matrix material to about 2wt% any one described herein or more.

In some embodiments, fragrance transferable material is only by the polymer of polymer substrate, and one or more increase Mould agent material, one or more of flavouring agents and one or more fat, such as one or more of medium chain triglyceride groups Into, or it is consisting essentially of.In alternate embodiment, fragrance transferable material includes one or more of extra groups Point.

Advantageously above-described fragrance transferable material can be incorporated into various types of smoking product.For example, Fragrance transferable material can be incorporated into fill bar with pipe tobacco or burn during smoking other can smoking material burn and suck In tobacco product, such as filter tipped cigarette.

Or, fragrance transferable material can be incorporated into and material is wherein thermally formed smog but incombustible class described above In the smoking product of the heating of type.For example, fragrance transferable material can be incorporated into the smoking product of the heating containing combustible heat source, example In those of disclosed in WO-A-2009/022232, it includes combustible heat source and smog-generation in combustible heat source downstream Substrate.Also fragrance transferable material can be incorporated into containing non-combustible thermal source, such as chemical heat source or electronics thermal source, such as resistance heating In the smoking product of the heating of element.

Or, above-described fragrance transferable material can be incorporated into do not burn wherein and do not heat and by tobacco-containing material or Other nicotines originate to form the smoking product of the smog containing nicotine, such as in WO-A-2008/121610 and WO-A- In those of described in 2010/107613.

The smoking product of the present invention can plant in any one of smoking product or more and fragrance transferable material is mixed in component. A part for the component or the component that mix the smoking product of fragrance transferable material should be deformable so that can pass through compression assembly To apply compression stress to fragrance transferable material.Preferably, fragrance transferable material is incorporated into the filter tip or cigarette holder of smoking product It is interior.Compressible filter tip or cigarette holder, to apply compression stress to fragrance transferable material, perfume compositions are discharged into the filter of surrounding In mouth.During the smoking of smoking product, the fragrance in the part perfume compositions discharged to control oneself from fragrance transferable material Agent is transferred to through in the cigarette of filter tip.

Filter tip can mix the mono filter that the single hop of fragrance transferable material is formed.Or, filter tip can be included The filter segment of at least one incorporation fragrance transferable material and the multicompartment filter tip of at least one extra filter segment.It is suitable in many Filter segment be known for a person skilled in the art, it includes, but not limited to fibrous filter beam, chamber filter segment, pipe Formula filter segment, and flow restrictor section.One or more of filter segments can include extra flavouring agent, sorbing material, or The combination of flavouring agent and sorbing material.

For example, the filter segment more than one or more of can include extra flavourant material, to provide as described above " fragrance to fragrance " curve.In these cases, extra aroma materials discharge flavouring agent to filter typically inactively In mouth, and before compression fragrance transferable material, by this aroma delivery into cigarette.When compressing fragrance transferable material, it can shift Aroma delivery intensity, aromatic property, or both.Extra aroma materials may include for example with liquor aromas agent impregnated of Perfumed filament, one or more of cellulose fragrance particulates have loaded liquor aromas agent among or on adsorbent Sorbing material (such as activated carbon), or its combination.

In the alternative embodiment for not providing extra aroma materials wherein, smoking product typically provides above institute " non-fragrance to the fragrance " curve stated.In these smoking products, the first fragrance to be released in cigarette is passed from fragrance Send that discharged in material.

In the certain preferred embodiments of the present invention, fragrance transferable material is incorporated into fiber filter material section, for example In acetate tow.In these embodiments, during filter segment is produced, one or more portions of fragrance transferable material Divide and be preferably dispersed in fiber filter material so that in combined filters, fragrance transferable material is embedded in the section.Work as compression During fragrance transferable material in filter tip and filter tip, perfume compositions are released in the fibrous filter material of surrounding.Advantageously, exist Wherein perfume compositions include liquid excipient, such as in the case of one or more of liquid aliphatics, as described above, fragrance group Compound is disperse easily among fibrous filter material when being discharged from fragrance transferable material.Perfume compositions and then coating filter The fiber of mouth material, optimization flavouring agent is transferred in cigarette.

In the alternative embodiment of the present invention, fragrance transferable material is incorporated into the intracavitary of filter tip.For example, can be by fragrance Transferable material is incorporated into the intracavitary between two filter bolts, and the wherein chamber is defined by surrounding the filter rod wrap of filter tip.

Preferably, packaging material of the consumer through the one or more layers for surrounding filter tip, it is seen that the perfume (or spice) in filter tip Taste transferable material.The suitable arrangement of the filter tip for the filtering material that can be seen that to provide is for a person skilled in the art Know.

Various various forms of fragrance transferable materials advantageously can be provided in the smoking product of the present invention, so as to according to material Expect that the mode that can be mixed in smoking product is flexible.In certain embodiments, fragrance transferable material is provided with bead form. Bead can be formed as to any suitable shape, but it is preferably substantially cylindrical or spherical.

The width of bead can be greater than about 1mm, preferably greater than about 2mm, and more preferably greater than about 3mm.Besides or furthermore, pearl The width of grain can be less than about 8mm, preferably less than about 6mm, and more preferably less than about 4mm.Preferably, the width of bead can be About 1mm to about 8mm, more preferably from about 2mm are to about 6mm, even more preferably about 3mm to about 4mm.

" width " of bead equivalent to the horizontal cross section of bead full-size, wherein horizontal cross section refers to according to base In sheet perpendicular to smoking product the longitudinal axis direction, the cross section taken by the bead being placed in smoking product.For base In sheet for spherical bead, the width of bead is approximately equivalent to the diameter of bead.

Single bead can be provided in smoking product, or multiple beads can be provided, be greater than or equal to 2, be more than Or equal to 3, or more than or equal to 4 beads.In the case of providing multiple beads wherein, bead can be along smoking product Separate, or can be placed in one or more regions specified of smoking product, such as in filter tip.It can be used and insert object Enter to the known devices and method in filter tip or cigarette, one or more beads of fragrance transferable material are inserted into the present invention Smoking product in.

Or, fragrance transferable material can be the form of bar or piece, and it can be distributed in form one of smoking product or more In the material of multiple components, or at one or more desired positions along smoking product.

Or, fragrance transferable material can be elongated filament or yarn, and they can be introduced in the component of smoking product, For example in filter tip or cigarette holder.During manufacture, can there is provided continuous lines along the total lengths of one or more smoking product components Silk, or single filament piece can be placed on along at one or more desired positions of one or more components. Filament preferable width is greater than about 1mm, preferably greater than about 2mm, and more preferably greater than about 3mm.Besides or furthermore, the width of filament can With less than about 8mm, preferably less than about 6mm, and more preferably less than about 4mm.Preferably, the width of filament be about 1mm to about 8mm, More preferably from about 2mm to about 6mm, even more preferably about 3mm are to about 4mm.

As described in above with respect to bead, " width " equivalent to the horizontal cross section of filament full-size, wherein laterally Cross section refers to, according to the y direction substantially perpendicular to smoking product, take by the filament being placed in smoking product Cross section.

Optionally, can be by including colouring agent colouring, fragrance transferable material.Preferably, colouring agent is incorporated into fragrance In transferable material, to adjust the color of material so that it is similar to the smoking product for being wherein mixed with fragrance transferable material Material color in component.If for example fragrance transferable material is incorporated into the cigarette of smoking product, fragrance transferable material Color can be brown or green.Therefore, fragrance transferable material is visual low in cigarette.

The smoking product of the present invention each may include greater than about 1mg and preferably greater than about 3mg any fragrance described herein Transferable material.Besides or furthermore, each smoking product may include to be less than about 20mg, preferably less than about 12mg, and more preferably less than About 8mg any fragrance transferable materials described herein.Preferably, each smoking product includes about 1mg to about 20mg, more preferably from about 1mg to about 12mg, and most preferably from about 3 to about 8mg fragrance transferable material.

Preferably, the total length of smoking product of the invention is about 70mm to about 128mm, more preferably from about 84mm.

Preferably, the external diameter of smoking product of the invention is about 5mm to about 8.5mm, more preferably for small-sized smoking product For, about 5mm is to about 7.1mm, or for the smoking product of normal size, about 7.1mm to about 8.5mm.

Preferably, the overall length of filter tip is about 18mm to about 36mm, more preferably from about 27mm in smoking product of the invention.

The smoking product of the present invention in container, for example, can be packed in soft packaging or cover-lifting type packaging, and in it Pad contains one or more of flavouring agents.

According to the present invention, the method that the above-described fragrance transferable material of production is also provided.This method comprises the steps： By to disperse any above-described flavouring agent in the one or more fat of liquid, forming fragrance under room temperature (22 DEG C) Composition；Mix the perfume compositions and the matrix polymer containing one or more of matrix formation polymer and plasticizer is molten Liquid, forms emulsion；With add the emulsion into crosslinker solution, crosslinked matrix polymer solution, formed contain multiple perfume compositions The polymer substrate in region.

Preferably, under room temperature (22 DEG C), mixed flavor agent and one or more fat form perfume compositions.It is excellent Selection of land, then under room temperature (22 DEG C), mixes the perfume compositions and host polymersolution, and preferably, in shear-mixed In device, mixed, such as under 100s-1 shear rate, mixed under high shear.The step for during, do not have The mixture is heated, although as the result of the shearing applied, the temperature of mixture may be raised.Preferably, temperature is raised To no more than about 50 DEG C.

Preferably, host polymersolution is included as described above, solution of one or more of polysaccharide in water.It is preferred that Ground, host polymersolution contains the polysaccharide less than or equal to about 5wt%, particularly preferred host polymersolution contain 3% to 5wt% polysaccharide.Preferably, host polymersolution is comprised additionally in less than or equal to 1wt% plasticizer as described above.Especially Preferred substrate polymer solution includes about 0.1% to about 0.8wt% plasticizer.

Preferably, mixed flavor composition and host polymersolution, are formed containing about 10% to about 30wt% fragrance combinations Thing, more preferably from about 15% to about 25wt% perfume compositions solution.

Preferably, at a temperature of about 5 DEG C-about 15 DEG C, the emulsion and crosslinker solution are contacted.Preferably, crosslinker solution is Solution of the about 5wt% polyvalent cations in water.Particularly preferred crosslinker solution is calcium salt soln, such as calcium chloride solution.The breast The preferred reservation of liquid is contacted about 10 seconds to about 120 seconds, more preferably from about 40 seconds to about 80 seconds with crosslinker solution.Depending on required crosslinking Degree and required polymer substrate hardness, selecting time length.

After crosslinking, for example using sieve or similar device, gained fragrance transferable material is taken out from crosslinker solution.So The fragrance transferable material is preferably rinsed afterwards, and crosslinker solution and drying are removed from surface.Using any suitable equipment, wherein wrapping Such as stream of hot air is included, is dried.Optionally it is dried under vacuum.

Before being added in crosslinker solution, the emulsion of perfume compositions and host polymersolution can be formed as various Shape, this depends on the required form of fragrance transferable material.For example, emulsion can be formed as to cylinder or spherical form, with Just the silk of production material, bead or drop.Suitable extrusion or extrusion can be used to rub circle technology with the hands to carry out for this.Or, can be by breast Liquid is formed as sheet material, cuts into bar or piece, or be drawn into elongated filament or yarn.

Refer to the attached drawing, only further describes the present invention by way of example, wherein：

Fig. 1 shows the side view that the filter tipped cigarette of the invention of fragrance transferable material is included in cigarette；With

Fig. 2 shows the scanning electron microscope image of the fragrance transferable material used in Fig. 1 filter tipped cigarette.

Cigarette 10 shown in Fig. 1 includes the packaging cigarette 12 of elongated cylindrical, and it is connected at one end to the length axially aligned In cylindrical filter 14.Filter tip 14 includes single hop acetate tow.The cigarette 12 and filter tip 14 of packaging are led in a conventional manner Cross outer layer paper 16 to combine, the outer layer paper 16 is around the total length of filter tip 14 and the adjacent part for the cigarette 12 packed.In order to mix Surrounding air and the main flume produced in the combustion process of cigarette 12 of packaging, by outer at the position along filter tip 14 There is provided multiple circular perforations 18 for layer paper 16.

In filter tip 14, the single fragrance that offer is formed by the fragrance transferable material of above-described sustained release in center Bead 20.A diameter of about 2.5mm of fragrance bead 20.Fragrance transferable material in bead 20 is mixed with flavouring agent containing menthol Perfume compositions, when compressing the material with the strength of about 5 newton to about 10 newton, perfume compositions release.In pressure After contracting, menthol flavouring agent can be obtained for being discharged into main flume, when in smoking process, when plume is through filter tip.

The perfume compositions amount discharged from fragrance transferable material depends on applied compression stress so that can pass through control The pressure on filter tip is applied to control flavor strength.Fragrance transferable material can be compressed before or during smoking once or more Repeatedly, to provide menthol fragrance into cigarette.

It is listed below being formed the suitable formula of the fragrance transferable material of bead and forms the side of fragrance transferable material The example of method.

Embodiment 1

Fragrance transferable material includes pectin-alginate matrices of crosslinking, and it has the multiple peppermints being dispersed among matrix Brain fragrance combinations object area.In order to produce fragrance transferable material, menthol fragrance group is formed by the mixture of following components first Compound：

Component	Consumption (wt%)
		Natural L- menthols	28
Miglyol 812 (MYGLIOL810)	70
		Other flavouring agents	2

Then host polymersolution is formed by the mixture of following components：

Component	Consumption (wt%)
		Mosanom (is obtained from Sigma Aldrich)	2.47
Citrus pectin (is obtained from Sigma Aldrich)	0.96
		Polyethylene glycol 1500 S	0.27
Water	96.30

With 20%w/w perfume compositions and 80%w/w host polymersolutions, emulsion is formed.In shear mixer, for example The aggregation equipped with a diameter of 30mm obtained from Kinematica disperses head PT-DA 3030/4EC Polytron 3100B, Mix the solution.The solution is subjected to high shear with 15000-20000 RPM, while maintaining the temperature of mixture at 52-55 DEG C Under.Continue to mix 3-4 minutes, produce emulsion of the perfume compositions in host polymersolution, wherein perfume compositions drop Size drop below about 20 to 40 microns.

Gained emulsion is formed as to the shape of spherical-shaped beads, and at a temperature of 4 DEG C, instills the crosslinker solution of following compositions In：

Component	Consumption (wt%)
		Calcium chloride (is obtained from Sigma Aldrich)	5.0
Water	95.0

For crosslinked alginate and pectin, polymer substrate is formed, bead is stood about 60 seconds in crosslinker solution.So Bead is removed from crosslinker solution afterwards, and washed in water, then in red-hot dry air, in 40-50 DEG C of temperature Lower drying 300 minutes.

Fig. 2 shows the scanning electron microscope image of the fragrance transferable material produced in the above-described embodiments.Can according to the image Find out, there is provided fragrance transferable material for the polymer substrate for being dispersed in by the perfume compositions of plurality of zonule in matrix Internal structure.

In bending test, the sustained release profile of the bead of fragrance transferable material can be analyzed.In bending test, it is known that The bead of the fragrance transferable material of weight is arranged on substrate, and the flat compression head for being more than the bead area with area compresses. Compress head and compression stress is applied to bead by downwardly direction.During bending test, make compression head contact bead and by institute circle Fixed distance or strength is moved down, and it is referred to as " bending " distance or strength.

Measure the strength needed for the deflection distance defined by head movement is compressed.Head is compressed at the deflection distance of compression Percent deformation will be equivalent to will bend divided by the initial diameter of bead is multiplied by 100%.After being compressed, removed from compression set Bead, and measure the result as the compression stress applied, the fragrance combinations object amount discharged from fragrance transferable material.

Discharged fragrance combinations object amount can be estimated as described below.From compression set remove after, with paper handkerchief or its The adsorptivity paper material of his non-abrasive wipes bead, to remove fragrance combinations as much as possible from the region of rupture Thing.Then bead is weighed, relatively measured weight and bead original weight, so as to determine because of application compression stress from material The approximate weight of the perfume compositions of middle release.For the purposes of the present invention, it is assumed that measured bead weight loss phase When in the burst size of perfume compositions.

Then the different deflection distances defined are moved down to compress head, carries out a series of similar experiment.

It was found that with different compression stresses to the deformation measured by bead and percent weight loss change as shown in the table.It is right For each deflection distance, each deflection distance value represents to carry out 5 beads the average value of identical test.

Bend (mm)	Newton (N)	Deform (%)	Weight loss (%)
				0.3	8.75	12	3
0.6	9.44	24	9
				0.9	12.19	36	16
1.2	17.73	48	28
				1.4	13.6	56	33

It can be seen that according to the above results, under high compression forces and under high deformation level, the perfume compositions of incrementss Discharged from fragrance transferable material.The result elaborate bead can in the range of the compression stress of about 9 newton sustained release fragrance group Compound.The result elaborate in addition the bead can in about 30% deformation range sustained release perfume compositions.

In some cases, in order to determine the fragrance release profiles of single bead, it may be desirable to which measurement is at two or more The fragrance combinations object amount discharged under different compression stresses from identical bead.In this case, to bead with the first pressure applied Contracting power carries out above-mentioned flexure test, bead is weighed and after determining the loss of perfume compositions, with the second compression stress again Test same bead.Two groups of tests are according to above-mentioned steps, only difference is that two tests use same bead.

Embodiment 2

Fragrance transferable material includes the alginate matrices of crosslinking, and there are multiple menthol perfume compositions Regional Dispersions to exist for it In matrix.Using similar to those methods described in above example 1, fragrance transferable material is prepared.

By disperseing menthol and flavouring agent, shape in the lipophilic phase being made up of medium chain triglyceride (Miglyol812N) Into perfume compositions.

Then by alginates (Algogel3001), cornstarch (Merizet100) and plasticizer (polyethylene glycol (PEG) Or glycerine) hydrophilic polymer solution is formed, and mixed with perfume compositions, form emulsion.Operated under 10000 revs/min In Ultra-turrax devices, and mixed at a temperature of less than 30 DEG C.

Then the emulsion is added in the crosslinker solution of chloride containing calcium, forms the polymer substrate with multiple regions. The emulsion is added dropwise in crosslinker solution bath, the fragrance transferable material of bead form is formed.Using peristaltic pump, via nozzle, by Drop addition emulsion.Under 500g/h flow velocity, emulsion is instilled via 4.4mm nozzles at 30cm height.Carry out at room temperature The technique, and use magnetic blender, the stirring crosslinking solution bath under 100 revs/min of speed.Allow the emulsion and crosslinker solution The period of reaction 10 minutes.

For this embodiment 2, two batches fragrance transferable material is produced, each of which batch has following compositions：

For batch of material 1, the equal weight of number of the bead of each aroma materials is 17.3mg, and each bead number average diameter For 3.4mm.The average moisture content of each bead is 3.3wt%, and the average Determination of menthol of each bead is about 4mg.

For batch of material 2, the equal weight of number of the bead of each aroma materials is 16.3mg, and the number average diameter of each bead is 3.4mm.The average moisture content of each bead is 4.0wt%, and the average Determination of menthol of each bead is 3.2mg.

By obtaining branched standard cigarette, (circumference is 25mm, and outer layer paper length is 32mm, and filter bolt length is 27mm, cigarette Length is 57mm, and overall length is 84mm), and removal filter bolt and bolt wrapping paper from each cigarette, therefore only leave hollow outer layer paper Pipe is connected in cigarette, so as to form many branch cigarettes testeds.New filter bolt is cut into 27mm length and bolt packaging is removed Paper.Using scalpel, filter bolt is somewhat cut, and a fragrance transferable material for being obtained from batch of material 1 or batch of material 2 is inserted into filter bolt In so that the axial distance between filter bolt mouth end and bead center is 13.5mm.Then by the new filter without bolt wrapping paper Bolt is inserted into the hollow outer layer paper tube of each cigarette, forms branched cigarettes tested.For the test containing the bead from batch of material 1 For cigarette, the average anti-suction of each cigarettes tested is 93mmWG, and the average ventilation of each cigarettes tested is 55%.For containing For the cigarettes tested for having the bead from batch of material 2, the average anti-suction of each cigarettes tested is 91mmWG, and each cigarettes tested Average ventilation is 54%.Use ISO6565:Test step described in 2002, measures anti-suction, and use ISO9512: 2002, measure throughput.

Five smoking panellists carry out qualitative test to the cigarettes tested containing the bead from batch of material 2.As a result Without compression bead, then mint flavored and refrigerant sense are not experienced.After compression for several times, group member experiences refrigerant peppermint Taste.Group member notices that the pressure applied to bead is bigger, then refrigerant sense and peppermint sense of taste more increase.

Cigarettes tested of the test containing the bead from batch of material 1, to measure after compression degree is changed, receives smoking survey " menthol in cigarette " (MIS) during examination.

Cigarettes tested is grouped into the sample sets of each self-contained 20 cigarette first.Each sample is relative in 22 DEG C and 60% Adjusted under humidity, each sample is received the compression stress while being applied to 20 cigarette in each sample group.Each group receives One of following compression stress：0 newton；Every 20 cigarette 700 newton；Every 20 cigarette 900 newton；Every 20 cigarette 1100 newton； With every 20 cigarette 1300 newton.Using the Instron Instrument that 20 cigarette is changed and compressed through instrument simultaneously, apply Compressive forces.Pass through 2 minutes after compression stress is applied, tested using standard smoking, by each sample group smoking.Specifically, often One smoking product (tells cigarette 35ml in every 60 seconds, continue at least 2 seconds) at iso conditions, receives standard smoking test, and ventilating zone It is completely uncovered.Total peppermint brain volume for including in cigarette of the measurement from cigarette, and to second group of 20 cigarettes in each compression Retest step under power.The average value of the peppermint brain volume included in the cigarette from each cigarette is calculated as below：

It can be seen that according to upper table, in the host material tested for these, menthol releasing dosage is not pressed with application Contracting power and linearly change.

After smoking test terminates, stub is cut and removed and bead and is weighed.It is as follows, before smoking test, The compression stress applied to each bead is bigger, then because menthol is released into cigarette, and bead is surplus after smoking test Remaining weight is smaller.Average residual weight of the bead after compression and smoking test is received is as follows：

Claims (15)

1. a kind of smoking product, it is mixed with the liquid transferable material of sustained release, and the liquid transferable material includes：

Define the closed matrix structure in multiple regions；With

In the region capture and when compress the material when from the closed matrix structure releasable fluid composition, wherein when During with the strength Ratage Coutpressioit of at least 5 newton material, the liquid transferable material provides the sustained release of fluid composition.

2. the smoking product of claim 1, wherein when with the strength Ratage Coutpressioit of 10 newton to the 15 newton material, the liquid Transferable material provides the sustained release of fluid composition.

3. the smoking product of claim 1 or 2, wherein when compressing the material with the strength of 5 newton, from liquid transferable material At least 2wt% of the liquid combination object amount of release equivalent to the liquid transferable material before any compression, and wherein when with 10 The additional quantity that the strength of newton further compresses the fluid composition discharged during the material is in office equivalent to the liquid transferable material At least 10wt% before what compression.

4. the smoking product of claim 1 or 2, wherein when compressing the material with the strength of 10 newton, from liquid transferable material At least 20wt% of the liquid combination object amount of middle release equivalent to the liquid transferable material before any compression, and wherein when with The additional quantity that the strength of 15 newton further compresses the fluid composition discharged during the material exists equivalent to the liquid transferable material At least 10wt% before any compression.

5. the smoking product of claim 1 or 2, wherein when compressing the material with least 25% deformation range, liquid transmission Material provides the sustained release of fluid composition.

6. the smoking product of claim 1 or 2, wherein when the material to be compressed to 10% deformation, from liquid transferable material At least 2wt% of the liquid combination object amount of middle release equivalent to the liquid transferable material before any compression, and wherein as general The additional quantity that the material is further compressed to the fluid composition discharged during 40% deformation exists equivalent to the liquid transferable material At least 10wt% before any compression.

7. the smoking product of claim 1 or 2, it is mixed with the fragrance transferable material of the sustained release containing perfume compositions.

8. the smoking product of claim 1 or 2, wherein liquid transferable material are fragrance transferable material, wherein closed matrix structure It is the polymer substrate containing one or more of matrix formation polymer and plasticizer, and is wherein caught into by the polymer matrix The fluid composition in multiple regions that matter is defined is perfume compositions, and the perfume compositions include existing with one or more The flavouring agent mixed at room temperature for the fat of liquid.

9. the perfume compositions in the smoking product of claim 8, wherein fragrance transferable material include fat, the fat contains At least 30wt% medium chain triglyceride, it has at least one carboxylic acid of chain a length of 6 to 12.

10. the smoking product of claim 8, wherein the plasticizer in the polymer substrate of fragrance transferable material includes poly- second two At least one of alcohol and glycerine.

11. the smoking product of claim 8, wherein the plasticising dosage in polymer substrate is equivalent to matrix formation polymer At least 5wt%.

12. the smoking product of claim 8, wherein the matrix formation polymer bag in the polymer substrate of fragrance transferable material Include at least one of alginates and pectin.

13. the smoking product of claim 1, wherein fluid composition include menthol.

14. the smoking product of claim 1, it includes the filter tip of the transferable material containing liquid.

15. for the filter tip of smoking product, it includes the fragrance transferable material of sustained release, and the fragrance transferable material includes：

Define the closed matrix structure in multiple regions；With

In the region capture and when compress the material when from the closed matrix structure releasable perfume compositions, wherein when During with the strength Ratage Coutpressioit of at least 5 newton material, the fragrance transferable material provides the sustained release of perfume compositions.